Finding the Fourth Proportional to 99,351.56, 148,990.89 and 32,771.99
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Solution
The fourth proportional to 99,351.56, 148,990.89 and 32,771.99 is: 49,145.97
Step by Step Solution
- Step 1: Write the proportion equation
99,351.56 : 148,990.89 = 32,771.99 : x - Step 2: Convert to fraction form
99,351.56/148,990.89 = 32,771.99/x - Step 3: Cross multiply
99,351.56x = 148,990.89 × 32,771.99 - Step 4: Simplify right side
99,351.56x = 4,882,728,452.54 - Step 5: Solve for x
x = 4,882,728,452.54/99,351.56 - Step 6: Final answer
x = 49,145.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.